1 /*
2 * This file is a part of the SchemaSpy project (http://schemaspy.sourceforge.net).
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 John Currier
4 *
5 * SchemaSpy is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * SchemaSpy is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19 package net.sourceforge.schemaspy.util;
20
21 import java.io.File;
22 import java.io.FileOutputStream;
23 import java.io.IOException;
24 import java.io.InputStream;
25 import java.io.OutputStream;
26
27 public class ResourceWriter {
28 private static ResourceWriter instance = new ResourceWriter();
29
30 protected ResourceWriter() {
31 }
32
33 public static ResourceWriter getInstance() {
34 return instance;
35 }
36
37 /**
38 * Write the specified resource to the specified filename
39 *
40 * @param resourceName
41 * @param writeTo
42 * @throws IOException
43 */
44 public void writeResource(String resourceName, File writeTo) throws IOException {
45 writeTo.getParentFile().mkdirs();
46 InputStream in = getClass().getResourceAsStream(resourceName);
47 if (in == null)
48 throw new IOException("Resource \"" + resourceName + "\" not found");
49
50 byte[] buf = new byte[4096];
51
52 OutputStream out = new FileOutputStream(writeTo);
53 int numBytes = 0;
54 while ((numBytes = in.read(buf)) != -1) {
55 out.write(buf, 0, numBytes);
56 }
57 in.close();
58 out.close();
59 }
60 }